US3660099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive supersensitized silver halide photographic emulsions
Assignee: Konica Minolta Inc
•
Filing: 1969-06-09
•
Granted: 1972-05-02
•
Expires: 1989-06-09
Abstract
Abstract A supersensitized light-sensitive silver halide photographic emulsion is obtained by incorporating in the emulsion a combination of two specific dyes having the general formulas I and II as indicated below.
Inventors
- 👤 Shui Sato
- 👤 Eiichi Sakamoto
- 👤 Shizuo Saito
- 👤 Kaiichiro Sakazume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:16
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; G03C1/29
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
17 words
A light-sensitive silver halide color photographic emulsion as claimed in claim 1, further comprising a color coupler.
Claim 2
Dependent Claim
33 words
A light-sensitive silver halide color photographic emulsion as claimed in claim 1, wherein said emulsion has been sensitized by way of noble metal sensitizers, sulfur sensitizers, reduction sensitizers or polyalkylene oxide type sensitizers.
Claim 3
Dependent Claim
22 words
A light-sensitive silver halide color photographic emulsion as claimed in claim 1, further including stabilizers, surface active agents, coating aids or hardeners.
Claim 4
Dependent Claim
25 words
A light-sensitive silver halide color photographic material which comprises a film support and, coated thereon, a layer of the emulsion as claimed in claim 1.
Claim 5
Dependent Claim
19 words
A light-sensitive silver halide color photographic emulsion as in claim 1 wherein the dye of general formula I is
References Cited (Backward Citations)
US2075048A
Cited
US3522052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |